Bug 2436105 (CVE-2025-61639)

Summary: CVE-2025-61639 MediaWiki: MediaWiki: Sensitive information exposure to unauthorized actors
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedKeywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in MediaWiki. This vulnerability, categorized as an Exposure of Sensitive Information to an Unauthorized Actor, allows an unauthorized individual to access sensitive data. The issue stems from how MediaWiki handles logging and recent changes, potentially leading to the disclosure of confidential information.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 2436299, 2436302    
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Description OSIDB Bzimport 2026-02-03 00:01:42 UTC
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/logging/ManualLogEntry.Php, includes/recentchanges/RecentChangeFactory.Php, includes/recentchanges/RecentChangeStore.Php.

This issue affects MediaWiki: from * before 1.39.14, 1.43.4, 1.44.1.